/* ***** BEGIN LICENSE BLOCK *****
 *   Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is ThumbsDown.
 *
 * The Initial Developer of the Original Code is
 * Atte Kemppilä.
 * Portions created by the Initial Developer are Copyright (C) 2008
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * 
 * ***** END LICENSE BLOCK ***** */


function WizardPage(depends)
{
    this.depends = (depends ? depends.split(/[,\s]+/) : []);
    this.firstRun = true;
    this.dirty = {page: true};
    
    for each (var name in this.depends)
    {
        let _name = "_" + name;
        this.dirty[_name] = true;
        this.dirty.__defineGetter__(name, function()    { return this[_name]; });
        this.dirty.__defineSetter__(name, function(val) { this[_name] = val; this.page = (this.page || val); return val; });
    }
}

WizardPage.prototype =
{
    get isHelpOpen() { return (this.$deck.selectedIndex == 0); },
    
    clearDirty: function()
    {
        for each (var name in this.depends)
            this.dirty[name] = false;
        this.dirty.page = false;
    },
    
    toggleHelp: function(show)
    {
        show = ((show !== undefined) ? show : (! this.isHelpOpen));
        this.$deck.selectedIndex = (show ? 0 : 1);  // help : content
        
        wizard.updateWizardButtons();
    },
}
